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inna [77]
3 years ago
8

Need help on this please, a positive answer only :)!

Mathematics
1 answer:
viva [34]3 years ago
8 0

Answer:

all statements are true

Step-by-step explanation:

for A  real numbers are all numbers B is all the x values C when f(x)=5 x=-2 D when f(x)=-1 x=-6

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Solve the system of equations by subsitution.<br> b = 4a +2<br> 12a - 3b = -6
Vladimir [108]

Answer:

infinite solution

Step-by-step explanation:

hello

we substitute b = 4a + 2 in the second expression

12a -3*(4a+2) = -6

<=> 12a -12a -6 = -6

<=> -6 = -6

which is always true

so there is infinite solution

hope this helps

5 0
3 years ago
I need help with 2 questions about circumference. ITS ALMOST DUE 20 POINTS thank you
aksik [14]

Answer:

This is against the honor code sry :(

Step-by-step explanation:

"Students are never allowed to post questions directly from tests, quizzes, and assessments, or copy answers found on Brainly during tests, quizzes, and assessments."

3 0
3 years ago
What are the unit rates? FOR ALL OF THEM.
kykrilka [37]
<span>Francios $19.48 per hour  Carissa $14 per hour  Garrick $19.04 per hour  Arianne $25.71 per hour</span>
7 0
3 years ago
Please help me with this. ​
masya89 [10]

Answer:

a) 48 b) 132 c) 180 d) 228 e) 312

Step-by-step explanation:

3 0
3 years ago
Coach Jamison wants to celebrate the final win of the school's baseball season with a trip to the local fast food place. The tea
PIT_PIT [208]
So we have 2 variables here: tacos and orders of nachos.

When we translate the paragraphs into equation: 28t + 27n = 114.80 \\ \\ 12t + 3n = 37.20

Now, in this situation we can make use the elimination method by converting 3n to -27n.

- 108t - 27n = - 334.8

Add both equations: 28t + 27n - 108t - 27n = 114.8 - 334.8 \\ \\ - 80t = - 220 \\ \\ t = 2.75

So we find that one taco costs $2.75.

We can plug this into any of the first two equations to find n: 12 \times 2.75 + 3n = 37.2 \\ \\ 33 + 3n = 37.2 \\ \\ 3n = 4.2 \\ \\ n = 1.4

So one order of nachos cost $1.40.
4 0
3 years ago
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